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where do you inject b12 shot Shots at Home: How, & How Often to Yourself Vitamin C and B12 Injection
Description
In the 1 mg Phase 2 arm, participants lost about 8% of body weight over 48 weeks

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Injecting 1000 mcg of vitamin B12 is a common way to quickly fix deficiency symptoms
I have also included oral folate supplements, probiotics and have expanded my diet (but still excluding caffeine, alcohol and sugar)